Грамматическая таблица для: ­ contribute

Indicative

Simple present
I contribute
you contribute
he/she/it contributes
we contribute
you contribute
they contribute

Present progressive
I am contributing
you are contributing
he/she/it is contributing
we are contributing
you are contributing
they are contributing

Simple past
I contributed
you contributed
he/she/it contributed
we contributed
you contributed
they contributed

Past progressive
I was contributing
you were contributing
he/she/it was contributing
we were contributing
you were contributing
they were contributing

Present perfect
I have contributed
you have contributed
he/she/it has contributed
we have contributed
you have contributed
they have contributed

Present perfect progressive
I have been contributing
you have been contributing
he/she/it has been contributing
we have been contributing
you have been contributing
they habe been contributing

Past perfect
I had contributed
you had contributed
he/she/it had contributed
we had contributed
you had contributed
they had contributed

Past perfect progressive
I had been contributing
you had been contributing
he/she/it had been contributing
we had been contributing
you had been contributing
they had been contributing

Future (will)
I will contribute
you will contribute
he/she/it will contribute
we will contribute
you will contribute
they will contribute

Future (be going to)
I am going to contribute
you are going to contribute
he/she/it is going to contribute
we are going to contribute
you are going to contribute
they are going to contribute

Future progressive (will)
I will be contributing
you will be contributing
he/she/it will be contributing
we will be contributing
you will be contributing
they will be contributing

Future progressive (be going to)
I am going to be contributing
you are going to be contributing
he/she/it is going to be contributing
we are going to be contributing
you are going to be contributing
they are going to be contributing

Future perfect
I will have contributed
you will have contributed
he/she/it will have contributed
we will have contributed
you will have contributed
they will have contributed

Future perfect progressive
I will have been contributing
you will have been contributing
he/she/it will have been contributing
we will have been contributing
you will have been contributing
they will have been contributing

Subjunctive

Present
I contribute
you contribute
he/she/it contribute
we contribute
you contribute
they contribute

Past
I contributed
you contributed
he/she/it contributed
we contributed
you contributed
they contributed

Conditional

Simple
I would contribute
you would contribute
he/she/it would contribute
we would contribute
you would contribute
they would contribute

Progressive
I would be contributing
you would be contributing
he/she/it would be contributing
we would be contributing
you would be contributing
they would be contributing

Perfect
I would have contributed
you would have contributed
he/she/it would have contributed
we would have contributed
you would have contributed
they would have contributed

Perfect progressive
I would have been contributing
you would have been contributing
he/she/it would have been contributing
we would have been contributing
you would habe been contributing
they would have been contributing

Imperative

Present
contribute (you)
let's contribute (we)
contribute (you)

Impersonal

Present participle
contributing

Past tense
contributed

Past participle
contributed